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earnstyle [38]
3 years ago
12

Who knows please help asap

Mathematics
2 answers:
kykrilka [37]3 years ago
7 0

Answer:

C

Step-by-step explanation:

If A is 30 then C is 30 degrees

And 360-60=300

300÷2=150

IgorLugansk [536]3 years ago
5 0

Answer: I am 90% sure it is c. 150

Step-by-step explanation:

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A clothing store put a sales price of $48 on a purse. Before the markup, the store paid $40 for the purse. What percent markup d
Nimfa-mama [501]

Answer:

20% mark up

Step-by-step explanation:

[(48-40)/40]×100%= 20%

8 0
2 years ago
A college writing seminar increased its size by 50\PP, percent from the first to the second day. If the total number of students
Jobisdone [24]

Answer: There were 10 students in the class on the first day.

Step-by-step explanation:

Let x be the number of students of the first day.

Given: A college writing seminar increased its size by 50 percent from the first to the second day.

i.e. Number of students on second day = (Number of students on first day)+(50% of Number of students on first day)

= x +50% of x

= x+0.50x

= (1.50)x

=1.50x

Since, it is given that  the total number of students in the seminar on the second day was 15.

i.e. 1.50x=15

\Rightarrow\ x=\dfrac{15}{1.5}\Rightarrow\ x=\dfrac{150}{15}\\\\\Rightarrow\ x=10

Hence, there were 10 students in the class on the first day.

7 0
3 years ago
A teacher reviews 4-1/2 papers per hour, how many papers will that teacher review in 6-1/3 hours
MrRa [10]

Answer:

28\frac{1}{2}\ papers

Step-by-step explanation:

step 1

Convert mixed numbers to an improper fractions

4\frac{1}{2}=\frac{4*2+1}{2}=\frac{9}{2}

6\frac{1}{3}=\frac{6*3+1}{3}=\frac{19}{3}

step 2

we know that

A teacher reviews 9/2 papers per hour

using proportion

Find how many papers will the teacher review in 19/3 hours

Let

x-----> the number of papers

(9/2)/1=x/(19/3)

x=(19/3)(9/2)

x=28.5\ papers

Convert to mixed numbers

28.5=28\frac{1}{2}\ papers

5 0
3 years ago
If AC = 36 and BC = 18, find AD. Round to the nearest tenth, if necessary.
KengaRu [80]
<span>Using: a^2 + b^2 = c^2 (pythagoras theorem)
where 'a' and 'b' are the legs of a right triangle, c is the hypotenuse
</span><span>compare the triangle I just drew to the triangle you have for your problem
</span><span>you'll see that a = unknown b = 18 c = 36
</span><span>a=18sqrt3
=31.2</span>

7 0
3 years ago
A password contains three digits, such as 175. How many different passwords can be formed?
zaharov [31]

Answer:

157,517,715,751,571.Therefore,5 more passwords can be formed

4 0
3 years ago
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